Ultimate Load Test of Slab‐on‐Girder Bridge
Publication: Journal of Structural Engineering
Volume 118, Issue 6
Abstract
An ultimate load test on a short‐span simply supported bridge having six rolled‐steel girders and a noncomposite deck slab is described. The main conclusions drawn from the test are as follows: (1) The bearing restraint forces reduced the bending moment at midspan by a minimum of 11%; (2) the transverse load distribution pattern of the bridge improves by a relatively small margin as the ultimate limit state is approached; (3) any composite action between the deck slab and a girder that may exist at service loads, and is due only to bond or friction between steel and concrete, completely breaks down as the load approaches the failure load for the girder; and (4) a girder continues to carry loads long after the formation of first yield.
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References
1.
Bakht, B. (1988a). “Testing of an old short‐span, slab‐on‐girder bridge.” Structural Research Report SSR‐88‐01, Ministry of Transp. of Ontario, Downsview, Ontario, Canada.
2.
Bakht, B. (1988b). “Ultimate load test on a slab‐on‐girder bridge.” Structural Research Report SRR‐88‐03, Ministry of Transp. of Ontario, Downsview, Ontario, Canada.
3.
Bakht, B., and Jaeger, L. G. (1990). “Observed behaviour of a medium‐span slab‐on‐girder bridge.” J. Inst. of Engs., India, (Jan.), 70, 164–170.
4.
Burdette, E. G., and Goodpasture, D.W. (1988). “Correlation of bridge load capacity estimates with test data.” National Cooperative Highway Research Program Report 306, Transp. Res. Board, Washington, D.C.
Information & Authors
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Published In
Journal of Structural Engineering
Volume 118 • Issue 6 • June 1992
Pages: 1608 - 1624
Copyright
Copyright © 1992 ASCE.
History
Published online: Jun 1, 1992
Published in print: Jun 1992
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